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MitreCVE-2021-27159

HistoryFeb 10, 2021 - 7:15 p.m.

CVE-2021-27159

2021-02-1019:15:14

CWE-798

mitre

web.nvd.nist.gov

cve-2021-27159

fiberhome hg6245d

hardcoded credentials

web daemon

isp

security vulnerability

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.812

Percentile

98.4%

JSON

An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains the hardcoded useradmin / 888888 credentials for an ISP.

Affected configurations

Nvd

Node

fiberhomehg6245d_firmwareRange≤rp2613

AND

fiberhomehg6245dMatch-

VendorProductVersionCPE
fiberhomehg6245d_firmware*cpe:2.3:o:fiberhome:hg6245d_firmware:*:*:*:*:*:*:*:*
fiberhomehg6245d-cpe:2.3:h:fiberhome:hg6245d:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
fiberhome	hg6245d_firmware	*	cpe:2.3:o:fiberhome:hg6245d_firmware::::::::
fiberhome	hg6245d	-	cpe:2.3:h:fiberhome:hg6245d:-:::::::*

References

pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-hardcoded-credentials

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.812

Percentile

98.4%

JSON

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